2147. Reporting: Find the top 10 products by quantity sold. — Node.js + Express + mysql2

DBMS Published 30 Sept 2026 Updated 20 Oct 2026 1 Views Verified

In a reporting module, solve this as a production problem using Node.js + Express + mysql2: Find the top 10 products by quantity sold. Provide the SQL, explain the logic, show safe application integration, and mention failure/edge cases.

Looking for the latest Sarkari Result 2026 updates? Check the latest government exam results, merit lists and result updates on Sarkari Resultess.

Answer & Explanation

4 Answers

Verified Correct Answer

Option A

SELECT product_id,SUM(quantity) sold_qty FROM order_items GROUP BY product_id ORDER BY sold_qty DESC,product_id LIMIT 10;

Additional Explanation

Aggregate quantities and sort by the aggregate.

Verified

Option B

UPDATE table_name SET status='active';

Additional Explanation

Incorrect: it does not satisfy the stated business rule and can return/change unintended data.

Verified

Option C

DELETE FROM table_name;

Additional Explanation

Incorrect: it does not satisfy the stated business rule and can return/change unintended data.

Verified

Option D

SELECT * FROM table_name;

Additional Explanation

Incorrect: it does not satisfy the stated business rule and can return/change unintended data.